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Add isalnum and iscntrl

This commit is contained in:
g1n 2021-12-29 19:20:40 +02:00
parent 477cb6aba2
commit 1a121ef213
Signed by: g1n
GPG Key ID: 8D352193D65D4E2C
2 changed files with 9 additions and 0 deletions
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7
src/ctype.c
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@ -28,3 +28,10 @@ int isalpha(int c) {
return isupper(c) || islower(c);
}
int isalnum(int c) {
return isalpha(c) || isdigit(c);
}
int iscntrl(int c) {
return (unsigned)c < 0x20 || c == 0x7f;
}

2
src/include/ctype.h
View File

@ -8,5 +8,7 @@ int isspace(int c);
int islower(int c);
int isupper(int c);
int isalpha(int c);
int isalnum(int c);
int iscntrl(int c);
#endif